Im looking for VoIP adaptors (ATA) that support the IAX2 protocol from Asterisk. If you are manufacter of these devices I would like to hear from you and receive specifications of your device together with a price list. Other important features are: - Two RJ45-Port (to connect a PC and the network to the device)- Port to connect also an analog telephone to the device- Configuration via Webbrowser (e.g Internet Explorer or Firefox) or Telnet- Upgrade via FTP possible- G.711a, G.711u, G.723.1 5.3/6.3, G.729A/B/AB, GSM610- Support DHCP for LAN- or Modem